Troubleshooting Overview - Cisco DPR2320 Installation And Operation Manual

Troubleshooting Overview

This section provides a table that illustrates a summary of the visual status of the
front-panel LED status indicators for the various cable modem gateway situations
and conditions described in this chapter.
Summary of Front Panel LED Status Indicators
The following table provides a summary of the visual status of the front panel LED
status indicators for the various cable modem gateway situations and conditions
described in this chapter when AC power is applied to the cable modem gateway.
Use this table as a quick reference for troubleshooting your cable modem gateway.
Note: Detailed troubleshooting procedures for each of the conditions described in
this table follow later in this chapter.
Front Panel
Indicator
POWER
RECEIVE
DATA
SEND DATA
CABLE
PC
PC WIRELESS
68-4004214-01 Rev D
No No Downstream
Power Signal Lock
OFF ON
OFF BLINKING
OFF OFF
OFF OFF
ON or BLINKING when connected to CPE
OFF
OFF when not connected to CPE
OFF ON or BLINKING when wireless interface is enabled
OFF when wireless interface is disabled
Ranging Not IP Connectivity
Complete Not Complete
ON ON
ON ON
BLINKING ON
OFF BLINKING

Troubleshooting Overview

Registration Not
Complete
ON
ON
ON
BLINKING
121